Base | Representation |
---|---|
bin | 1101110110111011101… |
… | …0100101001011100001 |
3 | 211202112111010222000001 |
4 | 3131232322211023201 |
5 | 12400044004123211 |
6 | 301212503300001 |
7 | 23125642022440 |
oct | 3355672451341 |
9 | 752474128001 |
10 | 238084051681 |
11 | 91a75270983 |
12 | 3a185a4a601 |
13 | 195b34759b8 |
14 | b748032d57 |
15 | 62d6b4cac1 |
hex | 376eea52e1 |
238084051681 has 8 divisors (see below), whose sum is σ = 273599353664. Its totient is φ = 202944573360.
The previous prime is 238084051657. The next prime is 238084051721. The reversal of 238084051681 is 186150480832.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 238084051681 - 29 = 238084051169 is a prime.
It is a super-2 number, since 2×2380840516812 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (238084051981) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93954555 + ... + 93957088.
It is an arithmetic number, because the mean of its divisors is an integer number (34199919208).
Almost surely, 2238084051681 is an apocalyptic number.
It is an amenable number.
238084051681 is a deficient number, since it is larger than the sum of its proper divisors (35515301983).
238084051681 is a wasteful number, since it uses less digits than its factorization.
238084051681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187911831.
The product of its (nonzero) digits is 368640, while the sum is 46.
The spelling of 238084051681 in words is "two hundred thirty-eight billion, eighty-four million, fifty-one thousand, six hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •